efi_loader: initialize variables in efi_dp_from_http()

When using lwIP, efi_dp_from_http() may fail to initialize ip or mask.
Initialize the variables before the call.

Addresses-Coverity-ID: 645840 - Uninitialized variables (UNINIT)
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index b3fb20b2501ec68f68063eab71eb8bde56f7a9f4..9efb158f5dd6083c23f109de7d2353aa92062b53 100644 (file)
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -955,8 +955,8 @@ struct efi_device_path *efi_dp_from_http(const char *server, struct udevice *dev
        efi_uintn_t uridp_len;
        char *pos;
        char tmp[128];
-       struct efi_ipv4_address ip;
-       struct efi_ipv4_address mask;
+       struct efi_ipv4_address ip = { .ip_addr = { 0, 0, 0, 0 } };
+       struct efi_ipv4_address mask = { .ip_addr = { 0, 0, 0, 0 } };
 
        if ((server && strlen("http://") + strlen(server) + 1  > sizeof(tmp)) ||
            (!server && IS_ENABLED(CONFIG_NET_LWIP)))